- Passive Systems: Listen to the network traffic and report their QoS findings.
- Active Systems: Are located in-line on one or more network links. Active Systems can modify the QoS of selected flows or traffic types.
Common for Network Control & Assurance Systems is the need for Napatech adapter features, such as:
- Line Speed Capture and Transmit
- High-precision Time-stamping
- Frame Classification
- Frame Filtering
- Coloring/Tagging
- Hash Key Generation
- Multi-CPU Support
- In-line Operation